/*
 * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
/*
 * Copyright 1999-2002,2004 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.sun.org.apache.xerces.internal.impl.validation;

import java.util.Vector;

/**
 * ValidationManager is a coordinator property for validators in the
 * pipeline. Each validator must know how to interact with
 * this property. Validators are not required to know what kind of
 * other validators present in the pipeline, but should understand
 * that there are others and that some coordination is required.
 *
 * @author Elena Litani, IBM
 * @xerces.internal
 */
public class ValidationManager {

  protected final Vector fVSs = new Vector();
  protected boolean fGrammarFound = false;

  // used by the DTD validator to tell other components that it has a
  // cached DTD in hand so there's no reason to
  // scan external subset or entity decls.
  protected boolean fCachedDTD = false;

  /**
   * Each validator should call this method to add its ValidationState into
   * the validation manager.
   */
  public final void addValidationState(ValidationState vs) {
    fVSs.addElement(vs);
  }

  /**
   * Set the information required to validate entity values.
   */
  public final void setEntityState(EntityState state) {
    for (int i = fVSs.size() - 1; i >= 0; i--) {
      ((ValidationState) fVSs.elementAt(i)).setEntityState(state);
    }
  }

  public final void setGrammarFound(boolean grammar) {
    fGrammarFound = grammar;
  }

  public final boolean isGrammarFound() {
    return fGrammarFound;
  }

  public final void setCachedDTD(boolean cachedDTD) {
    fCachedDTD = cachedDTD;
  } // setCachedDTD(boolean)

  public final boolean isCachedDTD() {
    return fCachedDTD;
  } // isCachedDTD():  boolean


  public final void reset() {
    fVSs.removeAllElements();
    fGrammarFound = false;
    fCachedDTD = false;
  }
}
